ToolTip Help shows small snippets of help that you define automatically as you hover the cursor over a control. If the control has ToolTip help defined for it, a small window containing the help appears, and when you move the cursor away the help automatically disappears.
ToolTip Help is very simple to provide in your applications. It involves only two steps. First, you need to add a System.Windows.Forms.ToolTip component to the form. For each control on the form that you want to provide a ToolTip for, you need to call the SetToolTip method on the ToolTip component. This method takes two arguments—a control and the ToolTip help string.
You can call the SetToolTip method directly in your code, or you could set it using the Properties ...